Sidus Space Nearly Doubles in a Week on Earnings Momentum and SpaceX IPO Fever — But Can $359,000 in Revenue Justify a Half-Billion-Dollar Valuation?

Shares of Sidus Space surged another 10% in pre-market to $6.82, extending a rally that has nearly doubled the stock from $3.60 just five trading sessions ago. No fresh company-specific news drove the overnight move — this is pure momentum, fueled by a combination of improving quarterly results and a wave of speculative buying across small-cap space names ahead of SpaceX's landmark public offering.

- A 51% Revenue Jump Still Means Only $359,000 in Sales. Total revenue for Q1 2026 was $359,000, up 51% year-over-year from $238,000, driven by new contracts and milestone-based revenue. That sounds impressive as a growth rate, but the absolute dollar amount would barely cover payroll for a dozen engineers. Gross loss improved 36% to $1.1 million, while net loss for Q1 was $5.2 million, a 19% improvement from $6.4 million a year earlier. The company is burning cash far faster than it earns it — meaning shareholders are funding operations through dilution, not profits.

- A $58.5 Million Capital Raise Buys Runway but Dilutes Holders. Sidus closed a best-efforts offering of 13,453,700 shares at $4.35 per unit for gross proceeds of about $58.5 million on April 21, 2026. That cash gives Sidus significant breathing room — cash at March 31 was $27.3 million with no outstanding term debt — but it added roughly 13.5 million shares to a float of about 80.9 million, diluting existing owners by nearly 17%. The company's market cap now sits around $501 million — staggering for a firm with annualized revenue under $1.5 million.

- SpaceX's IPO Is Lifting Every Boat in the Space Sector. SpaceX formally filed its prospectus on May 20 with plans to list on Nasdaq, with a valuation range of $1.75 to $2 trillion and a debut as early as June 12. That event is drawing retail traders into any space-adjacent ticker. A small group of major customers accounted for 87% of Sidus's revenue and 100% of accounts receivable , underscoring how thin the underlying business remains beneath the hype.

- The Revenue Forecast Tells You How Early-Stage This Really Is. Sidus projects revenue of $9 million for FY2026 and $15.75 million for FY2027. Even hitting those targets would mean the stock trades at roughly 55 times next year's sales at today's price — a valuation typically reserved for hypergrowth software companies, not a 99-employee satellite maker still posting gross losses. When the SpaceX IPO excitement fades, SIDU's price will need real revenue to hold its altitude.